KB Hyper Performance Piston Kit, KB357KTM.060

1 Set KB357.060/1 Set 4312AM8.060

Centered pin.

Sold As: Kit with Rings

Engine Manufacturer: Buick

Engine Family: Buick V8

Engine Displacement (Liters): 7.5

Engine Displacement (cubic inches): 455

Bore Size (in): 4.3125

Bore Size (mm): 109.5

Piston Head Type: Dish

Crown (cc): +26.7cc

Compression Ratio: 67-10.1, 75-9.5

Top Land: 0.345

Pin Type: Press or Floating

Pin Diameter (in): 1

Stroke (in): 3.9

Oversizes: .030, .040, .060

Piston Material: Cast 390 Hypereutectic Alloy

Pin Configuration: Centered

Pin Number: 1.000x300K

Year Range: 1970-1976

Base Number: KB357

Year From: 1970

Oversize: .060"

Make for Engine Family: General Motors

Compression Height MM: 51.1

Bore Diameter MM: 109.5

Compression Height IN: 2.01

Bore Diameter IN: 4.3125

Exhaust Valve Depth/Diameter: .297/2.360

Ring Pack: 5/64, 5/64, 3/16

Pin Diameter (mm): 25.4

Stroke (mm): 99.1

Rod (mm): 167.64

OE Deck Height: 10.57

Rod (in): 6.6

Lock: PRG110-3

Grade Type: Performance

Crown Type: STEP DISH 2V

Oversized: Yes

Intake Valve Depth/Diameter: .297/2.360

Alloy: 390

Year To: 1976